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SpaceX cargo rocket ready for another launch attempt
SpaceX is counting down to liftoff Saturday of a Falcon 9 rocket with a commercial cargo craft heading for the International Space Station after engineers replaced a component in an upper stage steering system that grounded the launcher Tuesday.
Next Falcon 9 launch attempt pushed back to Saturday
SpaceX is targeting Saturday for launch of its next space station resupply mission from Cape Canaveral after a problem with an upper stage steering system actuator flared up during a countdown Tuesday.
GAO reaffirms NASA’s commercial crew decision
The U.S. Government Accountability Office has denied a protest filed by Sierra Nevada Corp. challenging NASA's selection of competitors Boeing and SpaceX to build commercial human-rated space capsules to fly astronauts to the International Space Station.
SpaceX launch scrubbed by steering system problem
Launch of a SpaceX Falcon 9 rocket carrying a Dragon cargo ship loaded with more than 5,100 pounds of equipment and supplies bound for the International Space Station was called off Tuesday less than two minutes before liftoff because of apparent problems with the second stage engine steering system.
NASA ‘leaning on’ SpaceX to keep ISS supply lines open
The Dragon spaceship poised for launch Tuesday will carry more than 2.5 tons of equipment for the International Space Station's six-person crew, making the first U.S. supply delivery to the orbiting research complex since the crash of an Antares cargo rocket in October.
VideoVideo: SpaceX launch and landing preview briefing
NASA, SpaceX and United States Air Force officials hold the pre-launch news conference for the CRS-5 flight on Jan. 5.
Live coverage: Dragon completes space station resupply flight
SpaceX's Dragon supply ship wrapped up a 29-day stay at the International Space Station on Tuesday, departing the complex with with nearly 3,700 pounds of research specimens and return cargo before re-entering the atmosphere and splashing down in the Pacific Ocean.
2014’s launch tally highest in two decades
There were more successful space launches in 2014 than in any year since 1992, with Russia, the United States and China responsible for more than 80 percent of global launch activity.
Video2014’s top stories in spaceflight
The year ended with a deluge of big news, reminding us of the risks of spaceflight and the thin margins between success and failure on the final frontier. 2014 was also a year of breakthroughs in the exploration of the solar system and the future of human spaceflight.
Ratchet wrench ’emailed’ to space station
A future where mission control can digitally dispatch tools, spare parts and other vital materials to far-flung space crews took one giant leap toward reality when a 3D printer aboard the International Space Station produced a ratchet wrench on demand.